<template>
  <div>
    <h1>孩子</h1>
  </div>
</template>

<script>
export default {
  data() {
    return {
      age: 20
    }
  },
  methods: {
    changeAge() {
      this.age = 50;
    }
  }
}
</script>

<style>

</style>